Emergency Shut off Valve 900X (11/2"-32")

Model NO.: 900X
Standard: Standard
Power: All Type
Type: All Type
Transport Package: Wooden Case
Origin: Shanghai, China

Media: Gas, Oil, Water, Acid
Connection Mode: Flange
Material: All Type
Trademark: Qingjiang Valve
Specification: 11/2"-32"

Overview

900X Pressure Relief / Pressure Sustaining & Shut Off Valve for Fire Protectionis used in the living and fire-fighting emergent water supply system. It supplies living water in the normal conditions.

And in case of a fire, close automatically the living water and open the fire-fighting one to make it enough, and when the fire-fighting water stops and the pressure is reduced, resets the living water automatically.

Thus making the system no need to set a separate fire-fighting water supply pipeline, this saves both engineering construction cost and daily water quantity used greatly. It features by the sensitive control, safety, reliability, simple debugging and long duration.

This is a kind of valve used to balance the differential pressure in air conditioner system. This kind of valve improves the systems using percentage and maintaining precise and stable differential pressure and at most degree low eliminate noise in the system and damage to the system due to over pressure differential.

This valves most advantage is that its without actuator, compared to with other balance valve, and it can balance the system by mediums own differential pressure and thus saves energy and installation space.

Performance

Nominal Pressure (MPa)	Shell Test (MPa)	Sealing Test (MPa)	Fluids	Fluids Temp (Â°C)
1.0	1.5	1.1	Water	0-80
1.6	2.4	1.76
2.5	3.75	2.75

Dimensions

DNmm		20	25	32	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700	800
L		180	180	180	203	203	235	280	360	400	455	585	650	800	860	915	980	1075	1230	1300	1450
PN10	D	105	115	135	145	160	180	195	215	245	280	335	390	440	500	565	615	670	780	895	1010
PN10	D1	75	85	100	110	125	145	160	180	210	240	295	350	400	460	515	565	620	725	840	950
PN16	D	105	115	135	145	160	180	195	215	245	280	335	405	460	520	580	640	705	840	910	1020
PN16	D1	75	85	100	110	125	145	160	180	210	240	295	355	410	470	525	585	650	770	840	950
PN25	D	105	110	135	145	160	180	195	230	270	300	360	425	485	550	610	660	730	840	955	1070
PN25	D1	75	85	100	110	125	145	160	190	220	250	310	370	430	490	550	600	660	770	875	990
H		342	342	342	395	395	405	430	510	560	585	675	730	760	840	910	1070	1135	1270	1460	1640
H1		247	247	247	278	278	298	313	350	365	420	450	470	490	526	570	610	665	725	865	975

Note: Either elastic seat ring sealed gate valve or butterfly valve can be selected in the schematic of installation. Recommend to select the butterfly valve in case of DN350.

Installation

Our company introduction:
Shanghai Qingjiang Valve Manufacturing Co, . Ltd. Is located in Shanghai Fengxian Industrial Zone, is a commitment to scientific research, production, sales of professional valve manufacturer.Â
Company to an international metropolis -- Shanghai as the basis, make full use of regional advantages and industry, is committed to the introduction of international advanced management experience and technological innovation, and actively promote the enterprise comprehensive strength, and expand market share, formed with the gate valve, globe valve, ball valve, check valve, butterfly valve, hydraulic control valve, balance valve, relief valve, regulating valve and so on more than 60 series nearly 1000 varieties of products structure. Products nominal diameter is 1/4"-80" (DN6-2600mm) pressure 0.1MPa - 32.0MPa, temperature -196-595Âº C. Valve of the main materials are cast iron, ductile iron, carbon steel, alloy steel, stainless steel, copper and other materials, and according to the special needs of customers and manufacture of metal products. Widely used in construction, municipal, water supply and drainage, HVAC, fire, electricity, metallurgical, petrochemical, gas and other industries, and exported to the Middle East. Europe and the United States and Southeast Asia and other countries and regions. High quality wins the customer the consistent high praise and trust.Â

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